PRODUCT LEAFLET
DRY TYPE TRANSFORMER
Single-phase, three-single, three-two and three-phase transformers
1.1 kV to 7.2 kV classes
1
60 40152 - 13/09/2011
Dry Type Transformers
Transformers meant to be installed in a dry and air conditioned room or in a
PTI AUGIER type substation.
ELECTRICAL CHARACTERISTICS :
Power rating and type :
Single-phase : TMAI
: 5 - 7.5 - 10 - 16 - 25 - 32 - 50 kVA
Three-single : TTMAI : 16 - 25 - 32 - 50 - 63 - 80 - 100 - 125 - 160 kVA
Three-two : TTBAI : 16 - 25 - 32 - 50 - 63 - 80 - 100 - 125 - 160 kVA
Three-phase : TTAI
: 16 - 25 - 32 - 50 - 63 - 80 - 100 - 125 - 160 - 200
250 - 400 - 500 - 630 kVA
Insulation voltage : 1.1 kV - 3.6 kV - 7.2 kV
Primary voltage : Every voltage compatible with insulation voltages above.
Usually standard voltages are : 230 V - 400 V - 950 V - 3200 V - 5500 V and
6600 V.
Secondary load voltage : 230 V - 400 V - 950 V - 3200 V - 5500 V and 6600 V.
Couplings :
Standard : Three-phase transformer : Step-down Dyn11 - Step-up YNd1– single-phase transformer :Ii0
Specific : Three-single transformer, Leblanc three-two transformer, other couplings on request.
Manufacturing specifications on request :
Inrush current transformer reduced or very reduced.
CONNEXION:
Primary and secondary connesion on copper slots, by the upper side of the transformer.
STANDARD ACCESSORIES :
Empty setting plugs : Three outputs on slots.
Two earthing switches.
Lifting lugs.
Four rollers for 10 kVA and higher power rating transformers.
NOTE :
Transformers mechanical and electrical characteristics are the same
for step-down or step-up transformers. The tranformers are not
reversible.
Step-up transfrormers are built so that inrush currents are
limited.
Single-phase transformer, TMAI type, with IP21 encolsure, fuse terminal 3200 V
and locking.
2
CONSTRUCTION :
Magnetical circuits with crystal made sheet metal, oriented, with low losses.
Copper or aluminium windings, impregnated vacuum with a fungicide varnish, class H impregnation.
Metallic flanges.
Ironed chassis with rollers.
Wooden terminals plate bakelised.
Cooling
Use
Color
: in natural air : NA.
: use in dry, air conditioned rooms, at a room temperature of -15 °C ; + 40°C.
: RAL 7035 gray.
STANDARDS AND TESTS : Conforms to NFC 17200 - NFC 52100 - CEI 76 standards.
Other specifications on request. Routine tests U.T.E made on each transformer, specific tests on request..
Dry type transformer, naked presentation on frame
Connexion plates
Tap changer
MV side view
LV side dismantle panel
Fixation by screw
Lifting lugs
Connexion plates
Dry type transformer
With IP21 enclosure
rollers
Side panel dismantling
(cables passage)
Fixation by screw
Bakélite matter
To be screwed on request
Signaletic plate
Firm plate
LV side dismantling panel
3
Three-phase dry Type Transformers
TTAI
ELECTRICAL CHARACTERISTICS :
Power rating:
16 - 25 - 32 - 50 - 63 - 80 - 100 - 125 - 160 - 200 - 250 - 400 - 500 - 630 kVA
Insulation voltage : 1.1 kV - 3.6 kV - 7.2 kV
Primary voltage : Every voltage compatible with insulation voltages above.
Usually standard voltages are : 230 V - 400 V - 950 V - 3200 V - 5500 V and
6600 V.
Secondary load voltage : 400 V - 950 V - 3200 V - 5500 V and 6600 V.
Couplings :
Step-down Dyn11 - Step-up YNd1, other couplings on request.
CONNEXION :
Primary and secondary connexions on copper plates, by the upper side of the transformer.
STANDARD ACCESSORIES :
Voltage tapping adjustable out of voltage : +/- 2,5 % or +- 5% output on slots.
Two earthing terminals.
Lifting lugs.
Four rollers for 10 kVA and higher power rating transformers.
Naked presentation on frame : IP00.
OPTIONAL ACCESSORIES
Painted sheet metal enclosure with natural airing upwards, IP 21.
Connexion on pluggable terminals 3200 V or 5500 V.
HRC fuses protection integrated above the protection envelop.
Thermal protection by thermal probe integrated to windings, one or two thresholds protection.
Tap changers +/- 2,5 % +/- 5%.
Keyhole locking of the protection envelop and or pluggable terminals.
NOTE :
Transformers mechanical and electrical characteristics are the same for step-down or step-up transformers. The
tranformers are not reversible.
Step-up transfrormers are built so that inrush currents are limited.
ELECTRICAL CHARACTERISTICS
Power rating (kVA)
16
25
32
50
63
80
Copper losses
at 75°C (W)
350
470
550
800
1000 1100
Iron losses (W)
100
180
200
250
250
Voltage drop
(% )
at Cos = 0.83
3.3
3
3.07
3.14
CC tension
(%) at 75°C
3.4
3.2
3.4
Empty current
(%)
1
0.7
0.8
100
125
160
200
250
400
500
630
1350 1400
2000
2300
2800
4200
5600
7300
380
450
450
500
550
650
900
1250
1500
3.4
3
3.2
3
3.4
3.2
3.15
3.5
3.5
3.5
3.5
4
3.5
4
4
4
4
4
4
4.5
5
0.9
0.7
0.8
0.9
0.6
0.7
0.5
0.5
0.8
0.6
0.7
4
TTAI Dry Transformers
SIZES-WEIGHT (mm) - PRESENTATION ON IP00 FRAME - STEP DOWN TRANSFORMER
Power rating
(kVA)
16
25
32
50
63
80
100
125
160
200
250
400
500
630
A
636
750
825
825
840
930
930
950
980
1000
1096
1240
1400
1600
B
400
480
500
500
520
530
530
530
530
570
660
660
830
900
C
611
670
718
718
734
809
809
836
858
889
1086
1134
1300
1650
D
380
510
510
510
520
580
580
590
610
650
690
770
870
900
E
295
400
400
400
400
440
440
440
440
465
520
520
520
520
Weight (kg)
155
270
310
345
365
450
465
525
600
700
940
1185
1450
1800
Protection degree IP00
SIZES-WEIGHT (mm) - PRESENTATION WITH IP21 ENCLOSURE - STEP DOWN TRANSFORMER
Power rating
(kVA)
16
25
32
50
63
80
100
125
160
200
250
400
500
630
A
850
960
1040
1040
1050
1140
1140
1160
1190
1220
1310
1550
1610
1810
B
550
630
650
650
660
660
660
660
680
720
810
810
980
1050
C
900
970
1020
1030
1040
1100
1100
1140
1200
1200
1390
1500
1600
1950
D
380
510
510
510
520
580
580
590
610
650
690
770
870
900
E
295
400
400
400
400
440
440
440
440
465
520
520
520
520
Weight (kg)
185
300
350
400
405
535
565
630
750
900
1150
1450
1700
2050
Protection degree IP21
5
Single-phase Dry Type Transformers
TMAI
ELECTRICAL CHARACTERISTICS :
Power rating: 5 - 7,5 - 10 - 16 - 25 - 32 - 50 kVA
Insulation voltage : 1.1 kV - 3.6 kV - 7.2 kV
Primary voltage : Every voltage compatible with insulation voltages above.
Usually standard voltages are : 230 V - 400 V - 950 V - 3200 V.
Secondary load voltage : 230 V - 950 V - 3200 V.
Couplings :
Standard : single-phase transformer : Ii0
CONNEXION :
Primary and secondary connexions on copper plates, by the upper side of the transformer.
STANDARD ACCESSORIES :
Voltage tapping adjustable out of voltage : +/- 2,5 % ou +- 5% sorties sur plages.
Two earthing terminals.
Lifting lugs.
Four rollers for 10 kVA and higher power rating transformers.
Naked presentation on IP00 frame.
OPTIONAL ACCESSORIES
Painted sheet metal enclosure with natural airing upwards, IP 21.
Connexion on pluggable terminals.
HRC fuses protection integrated above the protection envelop.
Thermal protection by thermal probe integrated to windings, one or two thresholds protection.
Tap changers +/- 2,5 % +/- 5%.
Keyhole locking of the protection envelop and or pluggable terminals.
NOTE :
Transformers mechanical and electrical characteristics are the same for step-down or step-up transformers. The
tranformers are not reversible.
Step-up transfrormers are built so that inrush currents are limited.
ELECTRICAL CHARACTERISTICS
Power rating (kVA)
5
7,5
10
16
25
32
50
Copper losses
at 75°C (W)
100
120
170
380
500
630
750
Iron losses
(W)
40
60
60
80
120
150
200
Voltage drop (% )
at Cos = 0.83
2.92
2.47
3.35
3.7
3.53
3.55
3.7
Cc tension
(%) at 75°C
2.95
2.67
3.75
3.86
3.78
4
4
Empty current
(%)
3.11
2.53
2.58
2.67
2.52
2.54
2.51
6
TMAI Dry Transformers
SIZES-WEIGHT (mm) - PRESENTATION ON IP00 FRAME
Power rating (kVA)
5
7,5
10
16
25
32
50
A
320
400
400
540
600
630
650
B
320
390
390
400
400
450
460
C
372
560
494
632
652
710
749
D
-
-
320
300
315
270
270
E
-
-
218
230
245
270
270
Weight (kg)
45
72
84
140
190
230
265
Protection degree IP00
SIZES-WEIGHT (mm) - PRESENTATION WITH IP21 ENCLOSURE
Power rating(kVA)
5
7,5
10
16
25
32
50
A
380
424
424
570
630
670
700
B
344
414
414
450
460
550
570
C
532
570
600
830
850
960
1020
D
-
-
320
300
315
270
270
E
-
-
218
230
245
270
270
Weight (kg)
56
83
98
160
220
270
310
Protection degree IP121
7
With constant improvements, the manufacturer may alter information without prior warning
AUGIER IS CERTIFIE ISO 9001 SINCE 1995